{"slug":"buildspace-web3-app-cohort-vega","type":"nft","standard":"ERC721","network":"polygon","contract":"0x3CD266509D127d0Eac42f4474F57D0526804b44e","tokenId":"21096","collection":"buildspace: Intro to Web3 | Cohort Vega | #65","symbol":"BUILDSPACE","holder":"0x42C137538bEe9d7eca612b41A807b5FB7B863C20","externalUrl":"https://buildspace.so","significance":"On-chain completion proof of buildspace \"Intro to Web3\" course (Cohort Vega, student #65) — Solidity smart contract writing + deployment + Web3 client app. Matches the buildspace certification dated 2022-08 in studio.certifications. Triple-redundant proof: cert + on-chain NFT + GitHub repos from 2022.","verifiedVia":"Alchemy NFT API on Polygon mainnet","verifiedAt":"2026-04-29"}